Question

undo v.解开；松开；取消 (1) 你能不能帮我把这个结解开？(2) 他用手指不停地扯，想把绳结解开。(3) 使一个数据库返回到它上次已确认的改变之后的状态，即取消最近的尚未确认的变动。(4) 补偿事务的意思是一个新事物会用于取消前一个事务的所有效果。

Accepted Answer

英 [ʌn'duː] 美 [ʌn'duː] (1) Would you please undo this knot for me?(2) He tried to undo the knot by picking at it with his fingers.(3) To return a database to its state as of the last committed change, i.e., to undo recent uncommitted changes.(4) A compensating transaction means that a new transaction will undo the effects of previous transactions. 1[VERB 动词]解开；松开；打开 If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it.   [V n]  [V-ed]I managed secretly to undo a corner of the parcel...我悄悄地设法解开了包裹的一角。I undid the bottom two buttons of my yellow and grey shirt...我解开了自己黄灰相间的衬衫上最下面的两个纽扣。Some clamps that had held the device together came undone.用来将装置夹在一起的一些夹子松开了。2[VERB 动词]撤销；抵消；消除 To undo something that has been done means to reverse its effect.   [V n]A heavy-handed approach from the police could undo that good impression...警方采取高压手段可能会毁掉之前留下的好印象。She knew it would be difficult to undo the damage that had been done...她知道想要消除已经造成的损害是很难的。If Michael won, he would undo everything I have fought for.如果迈克尔赢了，那我一直以来努力争取的一切都将白费。3[VERB 动词]破坏；毁掉 If a person, organization, or plan is undone by something, that thing causes their failure.   [be V-ed by n]  [usu passive]They were undone by a goal from John Barnes...约翰·巴恩斯的一粒进球使他们落败。Macbeth is the story of a Scottish soldier who becomes king but is undone by his own ambition.《麦克白》讲述的是一个苏格兰士兵当上了国王，却毁于自己的野心。4See also:undoing；undone；

英语单词	undo
英美音标	英 [ʌn'duː] 美 [ʌn'duː]
中文释义	v.解开；松开；取消
英语例句	(1) Would you please undo this knot for me? (2) He tried to undo the knot by picking at it with his fingers. (3) To return a database to its state as of the last committed change, i.e., to undo recent uncommitted changes. (4) A compensating transaction means that a new transaction will undo the effects of previous transactions.
中文例句	(1) 你能不能帮我把这个结解开？ (2) 他用手指不停地扯，想把绳结解开。 (3) 使一个数据库返回到它上次已确认的改变之后的状态，即取消最近的尚未确认的变动。 (4) 补偿事务的意思是一个新事物会用于取消前一个事务的所有效果。
柯林斯解释	1 [VERB 动词]解开；松开；打开 If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it. [V n] [V-ed] I managed secretly to undo a corner of the parcel... 我悄悄地设法解开了包裹的一角。 I undid the bottom two buttons of my yellow and grey shirt... 我解开了自己黄灰相间的衬衫上最下面的两个纽扣。 Some clamps that had held the device together came undone. 用来将装置夹在一起的一些夹子松开了。 2 [VERB 动词]撤销；抵消；消除 To undo something that has been done means to reverse its effect. [V n] A heavy-handed approach from the police could undo that good impression... 警方采取高压手段可能会毁掉之前留下的好印象。 She knew it would be difficult to undo the damage that had been done... 她知道想要消除已经造成的损害是很难的。 If Michael won, he would undo everything I have fought for. 如果迈克尔赢了，那我一直以来努力争取的一切都将白费。 3 [VERB 动词]破坏；毁掉 If a person, organization, or plan is undone by something, that thing causes their failure. [be V-ed by n] [usu passive] They were undone by a goal from John Barnes... 约翰·巴恩斯的一粒进球使他们落败。 Macbeth is the story of a Scottish soldier who becomes king but is undone by his own ambition. 《麦克白》讲述的是一个苏格兰士兵当上了国王，却毁于自己的野心。 4 See also:undoing ；undone ；

Undo Verb 动词 Thing N I Knot Transaction